MathDB

3

Part of 1980 Canada National Olympiad

Problems(1)

Least perimeter of a triangle given an angle and inradius

Source: Canadian Mathematical Olympiad - 1980 - Problem 3.

5/16/2011
Among all triangles having (i) a fixed angle AA and (ii) an inscribed circle of fixed radius rr, determine which triangle has the least minimum perimeter.
geometryperimeterinradiusgeometry proposed